content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------
   * RangeInfo.java
   * --------------
   * (C) Copyright 2000-2009, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes (from 18-Sep-2001)
   * --------------------------
   * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG);
   * 15-Nov-2001 : Moved to package com.jrefinery.data.* (DG);
   *               Updated Javadoc comments (DG);
   * 22-Apr-2002 : Added getValueRange() method (DG);
   * 17-Nov-2004 : Replaced getMinimumRangeValue() --> getRangeLowerBound(),
   *               getMaximumRangeValue() --> getRangeUpperBound(),
   *               getValueRange() --> getRangeBounds().
   * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0
   *               release (DG);
   *
   */
  
  package org.jfree.data;
  
  /**
   * An interface (optional) that can be implemented by a dataset to assist in
   * determining the minimum and maximum values.  See also {@link DomainInfo}.
   */
  public interface RangeInfo {
  
      /**
       * Returns the minimum y-value in the dataset.
       *
       * @param includeInterval  a flag that determines whether or not the
       *                         y-interval is taken into account.
       *
       * @return The minimum value.
       */
      public double getRangeLowerBound(boolean includeInterval);
  
      /**
       * Returns the maximum y-value in the dataset.
       *
       * @param includeInterval  a flag that determines whether or not the
       *                         y-interval is taken into account.
       *
       * @return The maximum value.
       */
      public double getRangeUpperBound(boolean includeInterval);
  
      /**
       * Returns the range of the values in this dataset's range.
       *
       * @param includeInterval  a flag that determines whether or not the
       *                         y-interval is taken into account.
       *
       * @return The range (or <code>null</code> if the dataset contains no
       *     values).
       */
      public Range getRangeBounds(boolean includeInterval);
  
  }
  